Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.com
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  • Body (M-Series) - Alloy steel, protective coated for corrosion resistance.
  • Body (A-Series) - Alloy steel, heat treated, protective coated for corrosion resistance.
  • Ball - Alloy steel, heat treated, hard chrome plated.
  • Race - Low carbon steel, PTFE lined.
MM-T & MB-T, AM-T & AB-T Large Bore Image
MM-T & MB-T, AM-T & AB-T Large Bore Dimensional Drawing
Unit of Measure
1 

Item #

Thread Type

B - Ball Bore

W - Ball Width

A - Base to Center

D - Head Diameter

Thread Size

Ultimate Radial Static Load Capacity

MM-20T N/A Right Hand N/A 1.2500 in N/A 1.187 in N/A 4.125 in N/A 2.750 in N/A 1 1/4-12 N/A 31,480 lbs
MB-20T N/A Left Hand N/A 1.2500 in N/A 1.187 in N/A 4.125 in N/A 2.750 in N/A 1 1/4-12 N/A 31,480 lbs
MM-24T N/A Right Hand N/A 1.5000 in N/A 1.375 in N/A 5.375 in N/A 3.500 in N/A 1 1/2-12 N/A 66,264 lbs
MB-24T N/A Left Hand N/A 1.5000 in N/A 1.375 in N/A 5.375 in N/A 3.500 in N/A 1 1/2-12 N/A 66,264 lbs
MM-32T N/A Right Hand N/A 2.0000 in N/A 1.750 in N/A 8.020 in N/A 5.010 in N/A 2-12 N/A 163,634 lbs
MB-32T N/A Left Hand N/A 2.0000 in N/A 1.750 in N/A 8.020 in N/A 5.010 in N/A 2-12 N/A 163,634 lbs
AM-20T N/A Right Hand N/A 1.2500 in N/A 1.187 in N/A 4.125 in N/A 2.750 in N/A 1 1/4-12 N/A 65,047 lbs
AB-20T N/A Left Hand N/A 1.2500 in N/A 1.187 in N/A 4.125 in N/A 2.750 in N/A 1 1/4-12 N/A 65,047 lbs
AM-24T N/A Right Hand N/A 1.5000 in N/A 1.375 in N/A 5.375 in N/A 3.500 in N/A 1 1/2-12 N/A 115,610 lbs
AB-24T N/A Left Hand N/A 1.5000 in N/A 1.375 in N/A 5.375 in N/A 3.500 in N/A 1 1/2-12 N/A 115,610 lbs
AM-32T N/A Right Hand N/A 2.0000 in N/A 1.750 in N/A 8.020 in N/A 5.010 in N/A 2-12 N/A 280,740 lbs
AB-32T N/A Left Hand N/A 2.0000 in N/A 1.750 in N/A 8.020 in N/A 5.010 in N/A 2-12 N/A 280,740 lbs
Unit of Measure
1